Home / 21,184.48-31,776.93-6,393.52

Finding the Fourth Proportional to 21,184.48, 31,776.93 and 6,393.52

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Solution

The fourth proportional to 21,184.48, 31,776.93 and 6,393.52 is: 9,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.48 : 31,776.93 = 6,393.52 : x
  2. Step 2: Convert to fraction form
    21,184.48/31,776.93 = 6,393.52/x
  3. Step 3: Cross multiply
    21,184.48x = 31,776.93 × 6,393.52
  4. Step 4: Simplify right side
    21,184.48x = 203,166,437.49
  5. Step 5: Solve for x
    x = 203,166,437.49/21,184.48
  6. Step 6: Final answer
    x = 9,590.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.